sloop

noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about sloop at Wordnik → Where our words come from →

1. A single-masted sailboat with only one headsail.
2. A sailing warship, smaller than a frigate, with its guns all on one deck.
3. A sloop-of-war, smaller than a frigate, larger than a corvette.